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Combining network structures and meanings: Tweeting over the IPCC report

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Information about Combining network structures and meanings: Tweeting over the IPCC report
Social Media

Published on February 22, 2014

Author: kholmber

Source: slideshare.net

Description

Content analysis of tweets sent by tweeters coded as sceptics, convinced, and neutrals, and that mention 'IPCC'. Presentation given at Sunbelt2014 in St Pete, Fl.
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Combining network structures and meanings: Tweeting over the IPCC report Iina Hellsten Kim Holmberg VU University Amsterdam Dept. Organization Sciences Affiliated The Network Institute (e) i.r.hellsten@vu.nl VU University Amsterdam Dept. Organization Sciences (e) kim.holmberg@abo.fi Sunbelt, St Pete Beach, Florida, February 2014

Background In September 2013 the Intergovernmental Panel on Climate Change (IPCC) published its 5th Assessment report, the first comprehensive assessment of physical climate science in six years, constituting a critical event in the societal debate about climate change. This research investigates the content of that debate on Twitter.

Research Questions: 1) What kind of topics and meanings integrate the (structural) communities? 2) What kind of topics and meanings differentiate the (structural) communities?

Data Tweets containing the acronym “IPCC” were collected between September 17 and October 8, 2013 (with http://lexiurl.wlv.ac.uk/) Users stance (convinced, neutral, sceptic) in climate change debate coded by Pearce et al. (under review) The content of these users’ tweets as data

Climate change on Twitter: topics, communities and conversations about the IPCC Pearce, Holmberg, Hellsten & Nerlich (under review). 239 usernames coded according to their stance in the climate change debate as convinced, neutral, sceptics

Methods Semantic networks of each group: 110 most frequently used noun phrases in the tweets (extracted with VOSviewer) Projected the maps for each group on to a base map, which showed the comprehensive situation (visualization with Gephi)

Example tweets This is fraud. This is IPCC fraud. Why have the AR4 projections mysteriously disappeared or been changed? http://t.co/5liqycDmt7 #IPCC in #AR5: "Most aspects of #climate change will persist for many centuries even if emissions of #CO2 stopped" Climate Models Used By IPCC Fail To Reproduce Decadal & Multidecadal Patterns Since 1850 @*…+ http://t.co/n4drUNCF1d @IPCC_CH: Information about the #IPCC and how it produces reports http://t.co/pT6N5t4xQ1 #AR5 #climatechange #Globalwarming is real and human beings are responsible: #IPCC http://t.co/lhnsXZBtXg #nature #world #environment #mot…

Analyzing content of the IPCC tweets by tweeter groups Base map: All

Analyzing content of the IPCC tweets by tweeter groups Skeptics

Analyzing content of the IPCC tweets by tweeter groups Convinced

Analyzing content of the IPCC tweets by tweeter groups Neutrals

Results Significant overlap between the noun phrases used by each group sceptic convinced neutral sceptic 1.000 convinced 0.686 1.000 neutral 0.703 0.918 1.000 Table 1. Pearson r for the similarities between the noun phrases used in each group

Table 2. Top 20 noun phrases (shared highlighted) Sceptic ipcc report science scientist report global warming year model warming models wrong co2 progress climate change earth fact poverty servitude ipcc ar5 report time climate data humanity n 103 86 68 66 60 55 43 41 40 39 38 35 35 35 35 33 31 30 30 30 Convinced report ipcc report climate change scientist science world climate change global warming new ipcc report action twitter chat today government time stockholm year summary ipcc climate report risk n 299 286 219 132 91 85 84 80 79 77 65 63 62 61 58 54 53 53 49 43 Neutral ipcc report report climate change summary scientist new ipcc report science year blog tweet stockholm climate today policymaker friday global warming comment question week reaction n 91 81 46 33 32 25 20 20 19 19 17 16 16 16 15 13 13 13 12 12

Discussion 1(2) Shared set of words and phrases: 1) general words related to the event (IPCC report, climate change, global warming, science, scientists) 2) general targeted audiences (policy making)

Discussion 2(2) Unique set of words and phrases: 1) opposing views on anthropogenic climate change Sceptics: shame and crime Convinced: emission, fossil fuels and scenarios 2) different sub-topics Sceptics: poverty, humanity, model Convinced: government, public opinion, news, climate system 3) naming each other Sceptics: alarmists Convinced: denier

Conclusions Opposing positions in the debate on anthropogenic impact on climate change (different words/phrases used to refer to same event) Shared words: Between communities: General focus, integration Within communities: Different interpretations, meanings, focus Unique words: Between communities: Differentiation Within communities: Integration

Thank you for your attention Kim Holmberg VU University Amsterdam Dept. Organization Sciences (e) kim.holmberg@abo.fi Acknowledgements Funding: NWO Open Research Area (ORA) project ”Climate Change as a complex social issue”, grant number 464-10-077

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